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The smaller, economical version of Samsung's tenth flagship Galaxy phone, released in February 2019. Shipped with Android 9.0 (Pie).

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My device show me this message " not registered on network "?

My device show me this message

" not registered on network "

How can I fix it?

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So this can happen when there is an issue with your sim card. Thankfully there's some ways to fix the issue! (I categorized these what to do in order)

Reinsert the sim

First, turn off the phone and try removing the sim card and reinserting. Then turn on the phone. Sometimes the sim card might've not been inserted properly.

Select the Carrier Network Manually

Otherwise, open the Settings app on your phone and go to Connections. Next, tap on Mobile Networks. Select Network operators and turn off the switch next to Select automatically. After that, your phone should automatically start looking for all the available networks (Make sure you Locate and choose your carrier from the list)

Check the Phone's Preferred Network Type

Next, I would check the phone's preferred network type. To do this, open the Settings app on your phone, navigate to Connections, and tap on Mobile Networks. Then select Network Mode to choose LTE/3G/2G (auto connect)

Reset Your Network Settings

And if all else fails, open the Settings app on your Galaxy phones and scroll down to select General management. Tap Reset and select Reset network settings from the following screen. From there, follow the on-screen instructions to begin the restoration process. Your phone might ask you to enter the lock screen PIN. Once done, reboot your phone and see if it can connect to a network

Check for System Updates

Go to Software Update in the Settings app. Download and install any pending updates to see if your phone can connect to the network.

Wipe the Cache Partition

Turn off the device. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options). Press the Volume down key several times to highlight the ‘wipe cache partition’. Press the Power button to select. Press the Volume down key until ‘yes’ is highlighted and press the Power button. When the wipe cache partition is complete, “Reboot system now” is highlighted.

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You must have root access:

  1. Download Root Explorer.
  2. Go to /mnt/vendor/efs folder
  3. Delete nv_data.bin.md5 & nv_data.bin files.
  4. Reboot phone & bam, your phone will magically register on the network. If not, restart you phone a few times. 😀

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AT&T is also oh so generously part of this issue now in some cases because they stopped supporting the non-AT&T sold S10e because Samsung didn't pay the VoLTE certification extortion rate, so they died with the 3G shutdown -- even the US unlocked phone which would have worked if it had the right certification! Same phone, no carrier tie!

Because of this issue with AT&T now we have a flood of S10e's which should work but got cut short due to AT&T being a pain and Samsung's short judgment not to do the VoLTE certification on the 1U phones. T-Mobile will still takes these phones if you are in this group, unlike AT&T :-). I also lost a G5 Plus to the sunset too as far as AT&T sees it. Meanwhile, T-Mobile (and the MNVOs who use their towers) still take that phone, but the camera is bad; otherwise, I may have used it for a 3rd year.

If you are not with AT&T, look at the SIM card first (and consider replacing it). If the issue remains you may want to check with your carrier if you got taken out due to the 3G sunset to rule that out. If you did, you're going to need to switch carriers (or with Red Pocket and others, switch to T-Mobile, GSMT), or purchase a new phone.

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I don't got a sims card . I'm waiting for one to come in the mail.

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Mouad Sahli will be eternally grateful.
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